2505780530552 has 32 divisors (see below), whose sum is σ = 5066178474000. Its totient is φ = 1155044530944.

The previous prime is 2505780530521. The next prime is 2505780530557. The reversal of 2505780530552 is 2550350875052.

It is a junction number, because it is equal to n+sod(n) for n = 2505780530497 and 2505780530506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505780530557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15225677 + ... + 15389372.

Almost surely, 2^{2505780530552} is an apocalyptic number.

It is an amenable number.

2505780530552 is an abundant number, since it is smaller than the sum of its proper divisors (2560397943448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505780530552 is a wasteful number, since it uses less digits than its factorization.

2505780530552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30615855 (or 30615851 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 2505780530552 in words is "two trillion, five hundred five billion, seven hundred eighty million, five hundred thirty thousand, five hundred fifty-two".